Add support for unix domain sockets #485

Job	Run time
License Compliance Check	52s
Build (amd64)	1m 56s
Check links in markdown	34s
Build (arm64)	1m 53s
Build (riscv64)	1m 50s
Build Kuksa lib	2m 2s
Lint	2m 54s
Run unit tests	1m 11s
Check access rights / check_ghcr_push	1s
Create multiarch container	37s
Run integration test (arm64)	21s
Run integration test (amd64)	16s
Run integration test (riscv64)	17s
	14m 44s

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